# Nicolaas de Graaff
**Wikidata**: [Q2588094](https://www.wikidata.org/wiki/Q2588094)  
**Source**: https://4ort.xyz/entity/nicolaas-de-graaff


## References

1. ECARTICO
2. Digital Library for Dutch Literature
3. Biografisch Portaal
4. Virtual International Authority File
5. BnF authorities
6. IdRef
7. Czech National Authority Database
8. Repertorium van Nederlandse kaartmakers